Question

Dr. Granger is hoping to encourage Coker students who are taking math courses to visit the...

Dr. Granger is hoping to encourage Coker students who are taking math courses to visit the Center for Quantitative Literacy for math tutoring. She decides to conduct a study to find out what types of advertising or incentives might be effective.

a. What is the population for this study?

Select your answer from one of the following options.

  • a.

    All students in MAT 203

  • b.

    A random selection of 100 Coker students

  • c.

    All Coker students who are taking math courses

  • d.

    A random selection of Coker students who are taking math courses

b. Which of the following would be an appropriate research question for the study?

Select your answer from one of the following options.

  • a.

    What percentage of Coker math students say they would visit the QL Center after seeing a flyer in the cafeteria?

  • b.

    What types of advertising (social media, flyers, etc...) are you most likely to notice for campus services?

  • c.

    What types of incentives would motivate you to visit the QL Center?

  • d.

    Would you visit the QL Center if your instructor offered 1 point of extra credit per visit?

c. Which of the following data collection strategies would be best for the study?

Select your answer from one of the following options.

  • a.

    Convenience sample: Only speak with the students who visit the library when the QL Center is open.

  • b.

    Random sample: Choose 100 random Coker students and email them a survey.

  • c.

    Stratified sample: Divide Coker math students into groups based on which course they are taking, and then randomly select one section of each course to visit and distribute a survey.

  • d.

    Systematic sample: Sort all Coker students by student number, and then email a survey to every 10th student.

d. Suppose Dr. Granger uses an appropriate sampling technique, and then distributes a survey that includes the following question:

What motivated you to visit the QL Center?"

A. My instructor offered extra credit

B. I needed help with my math class

C. My friend was going

Would this be a biased, or unbiased survey question?

Select your answer from one of the following options.

  • a.

    Biased, because it assumes the person answering has visited the QL Center, even though they may not have visited.

  • b.

    Biased, because the wording leads the answerer towards selecting choice A.

  • c.

    Not biased, because the options include all possible motivations for visiting the QL Center.

  • d.

    Not biased, because the wording does not lead the answerer to a specific choice.

Homework Answers

Answer #1

Question 1)

Population for the study is " all Coker students who are taking math courses"

Option C is the correct answer

Question 2)

Appropriate Research Question would be something which will give Dr. Granger a clue of what would be the thing that would motivate students to visit QL center

Only Option C is the apt question for that. Option D assumes that student would go to QL center

Option C is the correct answer

Question 3)

The population is all Coker students who are taking math courses. So, we need to have a sample that represents that. Selecting from all Coker students by any method is not a good data collection strategy for this case.

We need to have a sample of coker students who are taking math courses, Only Option C satisfy this condition

Option C is the correct answer

Question 4)

The question is biased

Option A is the correct answer

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